دورية أكاديمية
Unraveling the role of aerosol transport on nanomaterial characterization by means single particle inductively coupled plasma mass spectrometry
| العنوان: | Unraveling the role of aerosol transport on nanomaterial characterization by means single particle inductively coupled plasma mass spectrometry |
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| المؤلفون: | Torregrosa Carretero, Daniel, Grindlay, Guillermo, Gras, Luis, Mora, Juan |
| المساهمون: | Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología, Espectrometría Atómica Analítica (GEAA) |
| بيانات النشر: | Royal Society of Chemistry |
| سنة النشر: | 2023 |
| المجموعة: | RUA - Repositorio Institucional de la Universidad de Alicante |
| مصطلحات موضوعية: | Nanomaterials, Aerosol, Transport efficiency, Calibration, Single particle, Inductively coupled plasma mass spectrometry |
| الوصف: | Nanomaterials (NMs) characterization by means single particle inductively coupled plasma mass spectrometry (spICP-MS) relies on assessing transport efficiency. To this end, different strategies have been proposed but contradictory reports could be found about which strategy provides the most accurate results since our knowledge about NMs transport through the sample introduction system is still limited. The goal of this work is to evaluate the role of aerosol transport on NMs characterization by means spICP-MS. To this end, a 70 nm platinum nanoparticles (PtNPs) suspension and a 10 ng mL−1 ionic Pt solution were analyzed under different operating conditions. Next, plasma and tertiary aerosol characteristics (i.e., drop size distribution and transport rate of solvent, PtNPs and Pt ions) were checked to explain experimental findings. Our results shows that the number of events, PtNPs event intensity and Pt ionic signal depend on both aerosol transport and plasma operating conditions. Interestingly, tertiary aerosol characterization reveals that NMs, ionic and solvent transport efficiencies differ significantly. Thus, irrespective of the nebulization conditions, transport efficiencies follow the order solvent > ionic Pt > PtNPs. For instance, when operating a nebulizer gas flow of 0.9 L min−1 and a sample uptake rate of 300 μL min−1, transport efficiency values were 5.77 ± 0.03, 3.89 ± 0.12 and 3.35 ± 0.06%, respectively. Similar results were observed operating different metallic NPs (i.e., 50/150 nm AuNPs) and spray chamber designs (i.e., Scott double pass/cyclonic spray chambers). These findings are of fundamental importance for spICP-MS metrology since some strategies for evaluating transport efficiency are based on assuming that the above-mentioned species are transported similarly into the plasma. The method based on the number of events seems the best approach since it is really based on NMs transport into the plasma. Both ionic and NMs pulse intensity ratios and solvent-based methodologies are, ... |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | https://doi.org/10.1039/D3JA00134BTest; info:eu-repo/grantAgreement/MECD//FPU17%2F02853; Journal of Analytical Atomic Spectrometry. 2023, 38: 1874-1884. https://doi.org/10.1039/D3JA00134BTest; 0267-9477 (Print); 1364-5544 (Online); http://hdl.handle.net/10045/136754Test |
| DOI: | 10.1039/D3JA00134B |
| الإتاحة: | https://doi.org/10.1039/D3JA00134BTest http://hdl.handle.net/10045/136754Test |
| حقوق: | This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. ; info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.960CCD32 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1039/D3JA00134B |
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